*Write update time diff into log to display server performance.

--HG--
branch : trunk

src/game/Level0.cpp

@@ -93,6 +93,7 @@ bool ChatHandler::HandleServerInfoCommand(const char* /*args*/)
     uint32 maxActiveClientsNum = sWorld.GetMaxActiveSessionCount();
     uint32 maxQueuedClientsNum = sWorld.GetMaxQueuedSessionCount();
     std::string str = secsToTimeString(sWorld.GetUptime());
+    uint32 updateTime = sWorld.GetUpdateTime();
 
     PSendSysMessage(_FULLVERSION); //char const* full;
     //if(m_session)
@@ -105,6 +106,7 @@ bool ChatHandler::HandleServerInfoCommand(const char* /*args*/)
     //PSendSysMessage(LANG_USING_WORLD_DB,sWorld.GetDBVersion());
     PSendSysMessage(LANG_CONNECTED_USERS, activeClientsNum, maxActiveClientsNum, queuedClientsNum, maxQueuedClientsNum);
     PSendSysMessage(LANG_UPTIME, str.c_str());
+    PSendSysMessage("Update time diff: %u.", updateTime);
 
     return true;
 }

src/game/World.cpp

@@ -112,6 +112,9 @@ World::World()
 
     m_defaultDbcLocale = LOCALE_enUS;
     m_availableDbcLocaleMask = 0;
+
+    m_updateTimeSum = 0;
+    m_updateTimeCount = 0;
 }
 
 /// World destructor
@@ -989,6 +992,7 @@ void World::LoadConfigSettings(bool reload)
         m_configs[CONFIG_PVP_TOKEN_COUNT] = 1;
     m_configs[CONFIG_NO_RESET_TALENT_COST] = sConfig.GetBoolDefault("NoResetTalentsCost", false);
     m_configs[CONFIG_SHOW_KICK_IN_WORLD] = sConfig.GetBoolDefault("ShowKickInWorld", false);
+    m_configs[CONFIG_INTERVAL_LOG_UPDATE] = sConfig.GetIntDefault("RecordUpdateTimeDiffInterval", 60000);
 
     std::string forbiddenmaps = sConfig.GetStringDefault("ForbiddenMaps", "");
     char * forbiddenMaps = new char[forbiddenmaps.length() + 1];
@@ -1409,6 +1413,22 @@ void World::DetectDBCLang()
 /// Update the World !
 void World::Update(time_t diff)
 {
+    m_updateTime = uint32(diff);
+    if(m_configs[CONFIG_INTERVAL_LOG_UPDATE])
+    {
+        if(m_updateTimeSum > m_configs[CONFIG_INTERVAL_LOG_UPDATE])
+        {
+            sLog.outString("Update time diff: %u. Players online: %u.", m_updateTimeSum / m_updateTimeCount, GetActiveSessionCount());
+            m_updateTimeSum = m_updateTime;
+            m_updateTimeCount = 1;
+        }
+        else
+        {
+            m_updateTimeSum += m_updateTime;
+            ++m_updateTimeCount;
+        }
+    }
+
     ///- Update the different timers
     for(int i = 0; i < WUPDATE_COUNT; i++)
         if(m_timers[i].GetCurrent()>=0)

src/game/World.h

@@ -197,6 +197,7 @@ enum WorldConfigs
     CONFIG_PVP_TOKEN_COUNT,
     CONFIG_NO_RESET_TALENT_COST,
     CONFIG_SHOW_KICK_IN_WORLD,
+    CONFIG_INTERVAL_LOG_UPDATE,
 
     CONFIG_VALUE_COUNT
 };
@@ -407,6 +408,8 @@ class World
         time_t const& GetGameTime() const { return m_gameTime; }
         /// Uptime (in secs)
         uint32 GetUptime() const { return uint32(m_gameTime - m_startTime); }
+        /// Update time
+        uint32 GetUpdateTime() const { return m_updateTime; }
 
         /// Get the maximum skill level a player can reach
         uint16 GetConfigMaxSkillValue() const
@@ -524,6 +527,8 @@ class World
         IntervalTimer m_timers[WUPDATE_COUNT];
         uint32 mail_timer;
         uint32 mail_timer_expires;
+        uint32 m_updateTime, m_updateTimeSum;
+        uint32 m_updateTimeCount;
 
         typedef UNORDERED_MAP<uint32, Weather*> WeatherMap;
         WeatherMap m_weathers;

src/trinitycore/trinitycore.conf.dist

@@ -1257,6 +1257,14 @@ Ra.Secure = 1
 #        1 = Enable
 #        0 = Disable
 #
+#   RecordUpdateTimeDiffInterval
+#        record update time diff to the log file
+#        update diff can be used as a criterion of performance
+#        diff < 300: good performance
+#        diff > 600: bad performance, may be caused by high cpu usage
+#        Default: 60000 (diff is written into log every 60000 ms or 1 minute.
+#        >0 = Interval
+#        0 = Disable
 ###################################################################################################################
 
 PlayerStart.AllReputation = 0
@@ -1271,3 +1279,4 @@ PvPToken.ItemID = 29434
 PvPToken.ItemCount = 1
 NoResetTalentsCost = 0
 ShowKickInWorld = 0
+RecordUpdateTimeDiffInterval = 60000